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Valentin [98]
4 years ago
7

X + 2y = 8 X + 3y = 12

Mathematics
1 answer:
Readme [11.4K]4 years ago
7 0

Answer:

(0,4)

Step-by-step explanation:

Subtract the first equation from the second, obtaining y = 4.  Then substitute 4 for y in the first equation, obtaining x + 2(4) = 8; it follows that x = 0.

The solution is (0,4).

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Step-by-step explanation:

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Stolb23 [73]
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6 0
3 years ago
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Which is the value of this expression when m=3 and n=-5? (6m^-1 n^0)^-3
iragen [17]

Answer:

The answer is C.

Step-by-step explanation:

I would simplify the expression first.

Equation: (6m^-1)^-3

You can get rid of n^0 because that equals 1.

Any expression raised to the power of -1 equals its reciprocal.

Equation: (6/m)^-3

Equation: (m/6)^3

Final Equation: m^3/216

Now, plug in 3.

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Hope this helps!

6 0
3 years ago
Solve each problem using a formula for perimeter or area<br> ill give brainliest!!!!!
Karolina [17]

Answer:

12) s=\frac{p}{5}

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Step-by-step explanation:

12) \frac{p}{5} =\frac{5s}{5}

13) \frac{A}{h}=W (multiply both sides by h)

14) take c to the other side of the equation( other side of the equal sign) it becomes a positive value

15) Divide both sides by 2

16) take b + c to the other side of the equation where it becomes -b-c

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3 years ago
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3 years ago
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